PHP | Imagick matteFloodfillImage() Function

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The Imagick::matteFloodfillImage() function is an inbuilt function in PHP which is used to change the transparency value of a color. This function changes the transparency value of any pixel that matches the target and is an immediate neighbor.

Syntax:

bool Imagick::matteFloodfillImage(float $alpha, float $fuzz, 
                                   mixed $bordercolor, int $x, int $y)

Parameters: This function accepts five parameters as mentioned above and described below:

$alpha: This parameter holds the level of transparency, 1 is fully opaque and 0 is fully transparent.
$alpha: This parameter holds acceptable tolerance to consider two colors as same.
$bordercolor: This parameter holds the ImagickPixel object or string representing the border color.
$x: This parameter holds the starting x coordinate of the operation.
$y: This parameter holds the starting y coordinate of the operation.

Return Value: This function returns TRUE on success.

Errors/Exceptions: This function throws ImagickException on error.

Below program illustrates the Imagick::matteFloodfillImage() function in PHP:

Program:

php

<?php
 
// Create a new Imagick object
$imagick = new Imagick(
'https://media.zambiatek.com/wp-content/uploads/20190823154611/zambiatek24.png');
 
// Applying the matteFloodfillImage() function
$imagick->matteFloodfillImage(0.5, 0, 'red', 0, 0); 
 
header("Content-Type: image/jpg"); 
   
// Display the output image 
echo $imagick->getImageBlob();
?>

Output:

Reference: https://www.php.net/manual/en/imagick.mattefloodfillimage.php

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